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Air purification unit

  • US 6,783,578 B2
  • Filed: 12/17/2002
  • Issued: 08/31/2004
  • Est. Priority Date: 12/17/2002
  • Status: Active Grant
First Claim
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1. An air purification apparatus comprising:

  • a combination filter and UV lamp assembly comprising;

    a UV lamp including a bulb, fixture and power connection;

    a filter medium mounted between first and second opposing end plates wherein the-first-end plate includes an opening therethrough for ingress of an air stream and the second end plate includes an opening therein sized for receiving the UV lamp bulb and for holding the UV lamp fixture in air sealing engagement with the second end plate; and

    means for removably securing the fixture of the UV lamp to the second filter mounting end plate such that the lamp bulb is positioned within and surrounded by the filter medium and the power connection is accessible from outside of the assembly;

    an imperforate housing including a first end wall and a second end wall wherein the first end wall has an opening therethrough for ingress of an air stream into the housing and the second end wall has an opening-therethrough for egress of the air stream from the housing; and

    means for removably mounting the combination filter and UV lamp assembly within the housing with the air intake opening of the first end plate of the assembly in line with the air stream ingress opening of the first end wall of the housing.

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